1)  Their Heart has 3 chambers and beats at 8 beats a minute at 2'C and 40-60 beats a minute at 25'C.

 

2)  Their skin is covered in thick mucous layer which protects the sensitive, permeable skin.

 

3)  A small hook is present in the upper jaw.

 

4)  Large stores of Fat are kept attached to each kidney - this

fat is used to make energy during Breeding and Hibernation.

 

5) ACF's occasionally grow back lost arms.